The Canton of Fauquembergues is a former canton situated in the Pas-de-Calais département and in the Nord-Pas-de-Calais region of France.

It was disbanded following the French canton reorganisation which came into effect in March 2015.

It consisted of 18 communes,[1] which joined the canton of Fruges in 2015.

[1] This canton is centred on the town of Fauquembergues in the arrondissement of Saint-Omer.

The altitude varies from 43m at (Coyecques) to 201m at (Thiembronne) for an average of 106m.